CN101275185A - Manufacturing technique for oxygen-enriched side blowing molten pool raw copper smelting and special equipment thereof - Google Patents
Manufacturing technique for oxygen-enriched side blowing molten pool raw copper smelting and special equipment thereof Download PDFInfo
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- CN101275185A CN101275185A CNA2008100157661A CN200810015766A CN101275185A CN 101275185 A CN101275185 A CN 101275185A CN A2008100157661 A CNA2008100157661 A CN A2008100157661A CN 200810015766 A CN200810015766 A CN 200810015766A CN 101275185 A CN101275185 A CN 101275185A
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- oxygen
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 99
- 239000010949 copper Substances 0.000 title claims abstract description 99
- 238000007664 blowing Methods 0.000 title claims abstract description 65
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 46
- 239000001301 oxygen Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000003723 Smelting Methods 0.000 title claims description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000012141 concentrate Substances 0.000 claims abstract description 18
- 238000002844 melting Methods 0.000 claims abstract description 18
- 230000008018 melting Effects 0.000 claims abstract description 18
- 239000003245 coal Substances 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000013021 overheating Methods 0.000 claims abstract description 7
- 239000002918 waste heat Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000002893 slag Substances 0.000 claims description 69
- 241000722270 Regulus Species 0.000 claims description 58
- 239000003546 flue gas Substances 0.000 claims description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000006004 Quartz sand Substances 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 8
- 239000011044 quartzite Substances 0.000 claims description 8
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 7
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 7
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 7
- 239000001095 magnesium carbonate Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 239000002253 acid Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 3
- 238000007865 diluting Methods 0.000 abstract 2
- 239000010453 quartz Substances 0.000 abstract 2
- 238000007670 refining Methods 0.000 abstract 2
- 235000019738 Limestone Nutrition 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005352 clarification Methods 0.000 description 4
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 101100002917 Caenorhabditis elegans ash-2 gene Proteins 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention disclose a production process for melting blister copper in a bath by side-blowing of oxygen enrichment and special apparatuses thereof, the process comprises the steps of melting concentrate of copper, diluting the slug and air refining copper matte, which is to say, adding the material comprising copper, quartz, limestone and fine coal into the furnace of bath and blowing the high pressure oxygen enrichment air into the furnace, the formed copper matte, slug are ceaselessly flowed into a diluting electric furnace, manufacturing acid after recycling waste heat by smoke gas at high temperature; overheating the slug through an electrode and separating the slug from copper matte to obtain the diluted slug and copper matte which is fed into the continuously-air-refining furnace through a chute slipway; reacting the copper matte with arenaceous quartz under the effect of compressed air to obtain the blister copper, performing mineral dressing to the air-refined slug, manufacturing the acid with SO<2>; the invention has less process investment, high heat utilization rate, low energy consumption, good effect of environmental protection, compact apparatus structure, small occupied area, great processing ability, light sticking in air flue, simple operations, diverse measures in adjusting the condition of furnace which is easy to control, high level of mechanization and low labor intensity.
Description
Technical field:
The present invention relates to a kind of production technique and specific equipment thereof of oxygen-enriched side blowing molten pool raw copper smelting, belong to the copper technical field of smelting.
Background technology:
The main technique of present domestic blister copper production has: flash smelting adds bessemerizes; The top-blown bath melting adds bessemerizes; Airtight blast furnace smelting adds to be bessemerized; Airtight blast furnace smelting adds four kinds of technologies of continuous-blowing furnace blowing.Flash smelting and top-blown bath melting are foreign patent, complicated operation, invest huge, adopt the silver stove of side-blown mode in the bath smelting technology, have that the body of heater floor space is big, thermo-efficiency is low, go straight up to flue bonding weight, dilution process energy consumption height, slag cupric height, the rate of recovery be low, needs the concurrent heating of burning fine coal, fine coal preparation system and firing system that the pulverized coal friring need are independent, produce dust pollution, coal-fired flue-gas effluxes problems such as having increased the weight of environmental pollution.Bessemerize technology because stove rotates, and air leak rate of air curtain reaches 100%, and low vacancy pollution is serious, because the air leak rate of air curtain height, supporting acid-producing apparatus is big especially, causes the increase of investment.Airtight blast furnace energy consumption height, environment protecting is poor, is listed in superseded technology by country.Therefore above-mentioned four kinds of technological operation complexity, invest huge, energy consumption height, shortcomings such as environment protecting difference.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art and a kind of less investment is provided, the heat utilization ratio height, energy consumption is low, no coal-fired flue-gas effluxes, and environment protecting is good, compact construction, be convenient to arrange that floor space is few, processing power is big, be convenient to scale operation, the flue bonding is light, simple to operate, working of a furnace regulating measure is various, the working of a furnace is easy to control, mechanization degree height, the production technique of the oxygen-enriched side blowing molten pool raw copper smelting that labour intensity is low and specific equipment thereof.
Purpose of the present invention can be come by following measure: a kind of production technique of oxygen-enriched side blowing molten pool raw copper smelting is characterized in that comprising the steps:
The copper ore concentrates melting:
With copper-contained material, quartzite, Wingdale, fine coal, mixing the back adds in the stove of molten bath, blast high-pressure oxygen-enriched air, the melt in the molten bath is formed violent stirring, carry out rapidly in molten bath inner transmission matter, heat transfer process, finish series of chemical, form copper matte regulus, slag and high-temperature flue gas, copper matte regulus, slag uninterruptedly flow into slag cleaning furnace through chute, send relieving haperacidity behind the high-temperature flue gas recovery waste heat;
Slag depletion:
After copper matte regulus and slag flowed into slag cleaning furnace, slag was clarified to separate with copper matte regulus through electrode overheating and is obtained dilution slag and copper matte regulus, and copper matte regulus is sent into continuous-blowing furnace through chute;
The copper matte regulus blowing:
Send into the copper matte regulus of continuous-blowing furnace, under compressed-air actuated effect, the chemical reaction violent with the quartz sand generation in the adding stove obtains blister copper, blowing slag and SO
2Flue gas blows the slag ore dressing and handles SO
2Flue gas send relieving haperacidity.
In order further to realize purpose of the present invention, the weight percent of described material is copper ore concentrates 75%-85%, cigarette ash 0-2%, smart slag 0-6%, quartzite 3%-8%, Wingdale 4%-8%, fine coal 6%-10%.
In order further to realize purpose of the present invention, quartz sand accounts for the 6%-15% of copper matte regulus and quartz sand gross weight in the described copper matte regulus blowing step.
In order further to realize purpose of the present invention, the pressure 0.16-0.20Mpa of described high-pressure oxygen-enriched air, oxygen concentration 30%-50%, pressure of compressed air 0.12-0.15Mpa.
A kind of specific equipment that is used for a kind of production technique copper ore concentrates melting step of oxygen-enriched side blowing molten pool raw copper smelting, it is characterized in that it has base, base is provided with base plate, connect coaming plate around the base plate, form furnace chamber, coaming plate and steel column join, connect by pull bar between the steel column, coaming plate is provided with the eye of wind, siphon port, blow-on oil firing mouth, be provided with refractory masses in base plate and the coaming plate, the upper end of furnace chamber is provided with refractory masses, goes straight up to flue and charging opening, and charging opening, the eye of wind, siphon port, blow-on oil firing mouth all communicate with furnace chamber.
In order further to realize purpose of the present invention being provided with refractory masses in described base plate and the coaming plate, be provided with refractory masses in the refractory masses.
In order further to realize purpose of the present invention being provided with the arc refractory masses in the refractory masses in the described base plate, be provided with the amorphous refractory layer between refractory masses and the arc refractory masses.
In order further to realize purpose of the present invention, described refractory masses is the fireclay refractory layer, and refractory masses is the magnesite refractory layer, refractory masses magnesium chrome refractory layer.
In order further to realize purpose of the present invention, the upper end of described furnace chamber is provided with arc magnesite refractory layer.
In order further to realize purpose of the present invention, described coaming plate is provided with water jacket, and water jacket and coaming plate are connected as a single entity.
The present invention can produce following positively effect compared with the prior art: the present invention adopts oxygen-enriched side-blowing stove smelting copper concentrates to produce copper matte regulus, carry out slag depletion with electric furnace, adopt the brand-new blister copper production technique of continuous-blowing furnace blowing, this technology proves through production practice: less investment, comprehensive energy consumption is low, environment protecting good, processing power is big, the waste cupric is low, comprehensive recovery height, mechanization degree height, is easy to grasp operation.Major advantage has:
1, less investment:
The nucleus equipment investment of oxygen-enriched side-blowing bath melting technology, operation, maintenance cost are low.The investment of the oxygen-enriched side-blowing bath smelting furnace of same processing power have only same processing power the bath smelting furnace investment 1/5～1/8.
2, heat utilization ratio height, energy consumption is low:
Oxygen-enriched side-blowing bath melting technology fuel rate and power consumption are all very low, the whole recycles of water, and new water increment is few, and residual heat integrative reclaims, and comprehensive energy consumption is low.And oxygen-enriched side-blowing bath smelting furnace fuel and raw material add together, do not establish independent oil firing in addition or burn the coal measures system, and the heat utilization ratio height, energy consumption is low, reduces coal-fired high-temperature furnace gas simultaneously to the washing away of stove masonry, and furnace life improves.
3, no coal-fired flue-gas effluxes, and environment protecting is good:
Three stoves of oxygen-enriched side-blowing bath melting technology all are stationary structure, no flue gas loss point, body of heater and whole airtight connections of flue, air leak rate of air curtain is extremely low, connects by chute between each stove, and flue gas is collected in a organized way, no low vacancy pollution, the total sulfur recovery height, environment protecting is good.And the oxygen-enriched side-blowing bath smelting furnace does not have secondary combustion concurrent heating system, does not burn fine coal, does not have dust, the execute-in-place environment is good, does not have coal-fired flue-gas to efflux, because furnace sealing is good, the no flue gas loss point that (the gas enclosed appts arranged) except that charging opening does not have low vacancy pollution.
4, compact construction, be convenient to arrange that floor space is few:
The oxygen-enriched side-blowing bath smelting furnace floor space of same processing power has only 2/5ths of silver stove floor space.
5, processing power is big, is convenient to scale operation:
Oxygen-enriched side-blowing bath melting technology processing power is big, is convenient to scale operation, oxygen-enriched side-blowing bath smelting furnace 34m
2The processing power that bed surface is long-pending is equivalent to silver stove 100m
2The processing power that bed surface is long-pending.
6, the flue bonding is light:
The flue bonding heavily is the common fault of modern advanced bath smelting furnace, production is caused have a strong impact on.The oxygen-enriched side-blowing bath smelting furnace has well solved this problem, and the flue bonding is lighter, need not clear up substantially.
7, simple to operate, working of a furnace regulating measure is various, and the working of a furnace is easy to control:
Can realize the fast lifting of many indexs such as furnace temperature and copper matte regulus grade according to the needs of producing at short notice, simple to operate, be easy to grasp, be convenient to organization of production.
8, mechanization degree height, labour intensity is low:
The oxygen-enriched side-blowing stove is taked the mechanize continuous charging, and the sulfonium of slagging tap continuously substantially must manual handling during the ordinary production, liquid level stabilizing in the side-blown converter, and the air port is easy to cleaning, and labour intensity reduces greatly.
9, process system rate of recovery height:
Adopt the sedimentation electric furnace to carry out slag depletion, dilution is effective, and the slag cupric is low, less than 0.6%.
10, prepared flue gas SO
2Concentration is up to 10%-14%.
Description of drawings:
Fig. 1 is a Process configuration schema of the present invention;
Fig. 2 is the structural representation of copper ore concentrates melting step of the present invention with the oxygen-enriched side-blowing bath smelting furnace;
Fig. 3 is the side-view of Fig. 2.
Embodiment:
A kind of specific equipment-a kind of oxygen-enriched side-blowing bath smelting furnace of the production technique copper ore concentrates melting step that is used for a kind of oxygen-enriched side blowing molten pool raw copper smelting of the present invention is (referring to Fig. 2, Fig. 3), it has base 18, base 18 is provided with base plate 1, connect coaming plate 5 around the base plate 1, form furnace chamber 19, coaming plate 5 joins with steel column 9, to avoid the distortion of coaming plate 5 expanded by heating, steel column 9 connects by pull bar 12, in order to reach the purpose of cooling, coaming plate 5 is provided with copper water jacket 6, copper water jacket 16, molten iron cover 10, copper water jacket 6, copper water jacket 16, molten iron cover 10 is connected as a single entity with coaming plate 5, evenly be provided with the eye of wind 3 on the coaming plate 5 of both sides, front and back, the bottom of left side coaming plate 5 is provided with siphon port 17, the middle part is provided with blow-on oil firing mouth 15, right side coaming plate 5 is provided with porthole 8, be provided with fireclay refractory layer 2 in base plate 1 and the coaming plate 5, be provided with arc magnesite refractory layer 4 in the fireclay refractory layer 2 in the base plate 1, be provided with amorphous refractory layer 20 between fireclay refractory layer 2 and the arc magnesite refractory layer 4, be provided with magnesium chrome refractory layer 7 in the fireclay refractory layer 2 in the coaming plate 5, the upper end of furnace chamber 19 is provided with arc magnesite refractory layer 13 and goes straight up to flue 11, pull bar 12 connects charging opening 14, charging opening 14, the eye of wind 3, siphon port 17, blow-on oil firing mouth 15 and porthole 8 all communicate with furnace chamber 19.
Embodiment 1: a kind of production technique of oxygen-enriched side blowing molten pool raw copper smelting (referring to Fig. 1) comprises the steps:
The copper ore concentrates melting:
By weight percentage with copper ore concentrates 75%, cigarette ash 1%, smart slag 6%, quartzite 8%, Wingdale 4%, fine coal 6%, mix after reinforced belt is added in the side-blown converter by the top filling mouth, blast high pressure (0.18Mpa) oxygen-rich air (oxygen concentration 45%) by the eye of wind, the melt in the molten bath is formed violent stirring, at the molten bath inner transmission matter, heat transfer process is carried out rapidly, finish series of chemical, form copper matte regulus (grade 65%), slag and high-temperature flue gas (1100 ℃-1200 ℃), copper matte regulus, slag uninterruptedly flows into slag cleaning furnace by chute, send relieving haperacidity behind the high-temperature flue gas recovery waste heat.
Slag depletion:
After copper matte regulus and slag flowed into slag cleaning furnace, slag separated through electrode overheating and copper matte regulus clarification and obtains cupric less than 0.6% dilution slag and copper matte regulus, and copper matte regulus is sent into continuous-blowing furnace through chute.
The copper matte regulus blowing:
Send into the copper matte regulus of continuous-blowing furnace, under the effect of pressurized air (0.14Mpa), and add quartz sand in the stove (quartz sand account for copper matte regulus and quartz sand gross weight 6%) and violent chemical reaction takes place obtain blister copper, blowing slag and SO
2Flue gas.SO is handled in the ore dressing of blowing slag
2Flue gas send relieving haperacidity.
Embodiment 2: a kind of production technique of oxygen-enriched side blowing molten pool raw copper smelting (referring to Fig. 1) comprises the steps:
The copper ore concentrates melting:
By weight percentage with copper ore concentrates 80%, cigarette ash 2%, smart slag 2%, quartzite 4%, Wingdale 5%, fine coal 7%, mix after reinforced belt is added in the side-blown converter by the top filling mouth, blast high pressure (0.17Mpa) oxygen-rich air (oxygen concentration 38%) by the eye of wind, the melt in the molten bath is formed violent stirring, at the molten bath inner transmission matter, heat transfer process is carried out rapidly, finish series of chemical, form copper matte regulus (grade 58%), slag and high-temperature flue gas (1100 ℃-1200 ℃), copper matte regulus, slag uninterruptedly flows into slag cleaning furnace by chute, send relieving haperacidity behind the high-temperature flue gas recovery waste heat.
Slag depletion:
After copper matte regulus and slag flowed into slag cleaning furnace, slag separated through electrode overheating and copper matte regulus clarification and obtains cupric less than 0.6% dilution slag and copper matte regulus, and copper matte regulus is sent into continuous-blowing furnace through chute.
The copper matte regulus blowing:
Send into the copper matte regulus of continuous-blowing furnace, under the effect of pressurized air (0.13Mpa), and add quartz sand in the stove (quartz sand account for copper matte regulus and quartz sand gross weight 8%) and violent chemical reaction takes place obtain blister copper, blowing slag and SO
2Flue gas.SO is handled in the ore dressing of blowing slag
2Flue gas send relieving haperacidity.
Embodiment 3: a kind of production technique of oxygen-enriched side blowing molten pool raw copper smelting (referring to Fig. 1) comprises the steps:
The copper ore concentrates melting:
By weight percentage with copper ore concentrates 85%, quartzite 4%, Wingdale 5%, fine coal 6%, mix after reinforced belt is added in the side-blown converter by the top filling mouth, blast high pressure (0.16Mpa) oxygen-rich air (oxygen concentration 30%) by the eye of wind, melt in the molten bath is formed violent stirring, carry out rapidly in molten bath inner transmission matter, heat transfer process, finish series of chemical, form copper matte regulus (grade 50%), slag and high-temperature flue gas (1100 ℃-1200 ℃), copper matte regulus, slag uninterruptedly flow into slag cleaning furnace by chute, send relieving haperacidity behind the high-temperature flue gas recovery waste heat.
Slag depletion:
After copper matte regulus and slag flowed into slag cleaning furnace, slag separated through electrode overheating and copper matte regulus clarification and obtains cupric less than 0.6% dilution slag and copper matte regulus, and copper matte regulus is sent into continuous-blowing furnace through chute.
The copper matte regulus blowing:
Send into the copper matte regulus of continuous-blowing furnace, under the effect of pressurized air (0.13Mpa), and add quartz sand in the stove (quartz sand account for copper matte regulus and quartz sand gross weight 15%) and violent chemical reaction takes place obtain blister copper, blowing slag and SO
2Flue gas.SO is handled in the ore dressing of blowing slag
2Flue gas send relieving haperacidity.
Embodiment 4: a kind of production technique of oxygen-enriched side blowing molten pool raw copper smelting (referring to Fig. 1) comprises the steps:
The copper ore concentrates melting:
By weight percentage with copper ore concentrates 76%, smart slag 3%, quartzite 3%, Wingdale 8%, fine coal 10%, mix after reinforced belt is added in the side-blown converter by the top filling mouth, blast high pressure (0.165Mpa) oxygen-rich air (oxygen concentration 32%) by the eye of wind, melt in the molten bath is formed violent stirring, at the molten bath inner transmission matter, heat transfer process is carried out rapidly, finishes series of chemical, forms copper matte regulus (grade 55%), slag and high-temperature flue gas (1100 ℃-1200 ℃), copper matte regulus, slag uninterruptedly flows into slag cleaning furnace by chute, send relieving haperacidity behind the high-temperature flue gas recovery waste heat.
Slag depletion:
After copper matte regulus and slag flowed into slag cleaning furnace, slag separated through electrode overheating and copper matte regulus clarification and obtains cupric less than 0.6% dilution slag and copper matte regulus, and copper matte regulus is sent into continuous-blowing furnace through chute.
The copper matte regulus blowing:
Send into the copper matte regulus of continuous-blowing furnace, under the effect of pressurized air (0.13Mpa), and add quartz sand in the stove (quartz sand account for copper matte regulus and quartz sand gross weight 11%) and violent chemical reaction takes place obtain blister copper, blowing slag and SO
2Flue gas.Blow the slag ore dressing and handle SO
2Flue gas send relieving haperacidity.
Claims (10)
1, a kind of production technique of oxygen-enriched side blowing molten pool raw copper smelting is characterized in that comprising the steps:
The copper ore concentrates melting:
With copper-contained material, quartzite, Wingdale, fine coal, mixing the back adds in the stove of molten bath, blast high-pressure oxygen-enriched air, the melt in the molten bath is formed violent stirring, carry out rapidly in molten bath inner transmission matter, heat transfer process, finish series of chemical, form copper matte regulus, slag and high-temperature flue gas, copper matte regulus, slag uninterruptedly flow into slag cleaning furnace through chute, send relieving haperacidity behind the high-temperature flue gas recovery waste heat;
Slag depletion:
After copper matte regulus and slag flowed into slag cleaning furnace, slag was clarified to separate with copper matte regulus through electrode overheating and is obtained dilution slag and copper matte regulus, and copper matte regulus is sent into continuous-blowing furnace through chute;
The copper matte regulus blowing:
Send into the copper matte regulus of continuous-blowing furnace, under compressed-air actuated effect, the chemical reaction violent with the quartz sand generation in the adding stove obtains blister copper, blowing slag and SO
2Flue gas blows the slag ore dressing and handles SO
2Flue gas send relieving haperacidity.
2, the production technique of a kind of oxygen-enriched side blowing molten pool raw copper smelting according to claim 1, the weight percent that it is characterized in that described material is copper ore concentrates 75%-85%, cigarette ash 0-2%, smart slag 0-6%, quartzite 3%-8%, Wingdale 4%-8%, fine coal 6%-10%.
3, the production technique of a kind of oxygen-enriched side blowing molten pool raw copper smelting according to claim 1 is characterized in that quartz sand in the described copper matte regulus blowing step accounts for the 6%-15% of copper matte regulus and quartz sand gross weight.
4, the production technique of a kind of oxygen-enriched side blowing molten pool raw copper smelting according to claim 1 is characterized in that the pressure 0.16-0.20Mpa of described high-pressure oxygen-enriched air, oxygen concentration 30%-50%, pressure of compressed air 0.12-0.15Mpa.
5, a kind of specific equipment that is used for a kind of production technique copper ore concentrates melting step of oxygen-enriched side blowing molten pool raw copper smelting, it is characterized in that it has base (18), base (18) is provided with base plate (1), connect coaming plate (5) around the base plate (1), form furnace chamber (19), coaming plate (5) joins with steel column (9), connect by pull bar (12) between the steel column (9), coaming plate (5) is provided with the eye of wind (3), siphon port (17), blow-on oil firing mouth (15), be provided with refractory masses in base plate (1) and the coaming plate (5), the upper end of furnace chamber (19) is provided with refractory masses, go straight up to flue (11) and charging opening (14), charging opening (14), the eye of wind (3), siphon port (17), blow-on oil firing mouth (15) all communicates with furnace chamber (19).
6, specific equipment according to claim 5 is characterized in that being provided with refractory masses (2) in described base plate (1) and the coaming plate (5), is provided with refractory masses (7) in the refractory masses (2).
7, specific equipment according to claim 6, it is characterized in that being provided with arc refractory masses (4) in the refractory masses (2) in the described base plate (1), be provided with amorphous refractory layer (20) between refractory masses (2) and the arc refractory masses (4).
8, according to claim 6 or 7 described specific equipments, it is characterized in that described refractory masses (2) is the fireclay refractory layer, refractory masses (4) is the magnesite refractory layer, refractory masses (7) magnesium chrome refractory layer.
9, specific equipment according to claim 5 is characterized in that the upper end of described furnace chamber (19) is provided with arc magnesite refractory layer (13).
10, specific equipment according to claim 5 is characterized in that described coaming plate (5) is provided with water jacket, and water jacket and coaming plate (5) are connected as a single entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100157661A CN101275185B (en) | 2008-04-28 | 2008-04-28 | Manufacturing technique for oxygen-enriched side blowing molten pool raw copper smelting and special equipment thereof |
Applications Claiming Priority (1)
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| CN101838742A (en) * | 2010-05-10 | 2010-09-22 | 王平 | Method for depleting copper and nickel smelting slag |
| CN101760631B (en) * | 2009-06-04 | 2011-10-12 | 昆明理工大学 | Process for smelting copper with infinity furnace |
| CN102417993A (en) * | 2011-08-08 | 2012-04-18 | 新鑫矿业股份有限公司喀拉通克铜镍矿 | Novel melting blow-in method of oxygen-rich side-blown molten pool |
| CN102560145A (en) * | 2012-02-17 | 2012-07-11 | 重庆重冶铜业有限公司 | Process for purifying miscellaneous copper |
| CN102851518A (en) * | 2012-08-24 | 2013-01-02 | 赤峰富邦铜业有限责任公司 | Fubang oxygen-enriched side-blown bath copper smelting furnace and operation method thereof |
| CN102994775A (en) * | 2012-11-28 | 2013-03-27 | 浙江和鼎铜业有限公司 | Production technology for smelting crude copper in oxygen enrichment double-side blow molten pool |
| CN103014369A (en) * | 2012-11-28 | 2013-04-03 | 浙江和鼎铜业有限公司 | Smelting process of both side-blown bath |
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| CN103667738A (en) * | 2013-12-31 | 2014-03-26 | 个旧市光穆有色金属尾矿废渣综合回收有限公司 | Oxygen-enriched side-blowing dual-area bath smelting furnace and method for smelting copper matte by using copper-containing complex material |
| CN105986128A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Thermal state copper and sulfur blowing device |
| CN105986127A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Thermal state copper and sulfur blowing device |
| CN105987614A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Environment-friendly converter suitable for thermal state copper and sulfur treatment |
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| CN106399699A (en) * | 2016-12-19 | 2017-02-15 | 浙江富冶集团有限公司 | Process for treating sludge with copper import |
| CN106498164A (en) * | 2016-10-19 | 2017-03-15 | 湖南中大联合创新科技发展有限公司 | A kind of process for processing non-ferrous metal material using energy saving and environment friendly oxygen-enriched air smelting stove |
| CN107488791A (en) * | 2017-09-18 | 2017-12-19 | 中国恩菲工程技术有限公司 | Copper smelting apparatus |
| CN108624764A (en) * | 2018-05-14 | 2018-10-09 | 山东方泰循环金业股份有限公司 | A kind of continuous oxygen-enriched air converting technique of matte |
| CN112853104A (en) * | 2021-01-04 | 2021-05-28 | 昆明理工大学 | Method for treating copper-lead-tin-zinc-nickel-containing multi-metal industrial solid waste by oxygen-enriched side-blown chaotic stirring molten pool smelting furnace |
| CN113046571A (en) * | 2021-03-08 | 2021-06-29 | 易门铜业有限公司 | Smelting system and method for reducing generation of magnetic iron in copper ore smelting process |
| CN113699382A (en) * | 2021-08-27 | 2021-11-26 | 上海中川国宇环境有限公司 | Treatment device and treatment process applied to slag recycling |
| CN113897468A (en) * | 2021-11-09 | 2022-01-07 | 上海西勘环境科技有限公司 | An oxygen-enriched side-blowing furnace for enhanced reduction and recovery of iron from metal waste |
| WO2022021879A1 (en) * | 2020-07-30 | 2022-02-03 | 中国恩菲工程技术有限公司 | Electric furnace oxygen-blowing smelting process and system |
| CN114107694A (en) * | 2020-08-26 | 2022-03-01 | 中国瑞林工程技术股份有限公司 | Integrated continuous copper smelting device and method |
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| CN101760631B (en) * | 2009-06-04 | 2011-10-12 | 昆明理工大学 | Process for smelting copper with infinity furnace |
| CN101838742B (en) * | 2010-05-10 | 2011-12-28 | 王平 | Method for depleting copper and nickel smelting slag |
| CN101838742A (en) * | 2010-05-10 | 2010-09-22 | 王平 | Method for depleting copper and nickel smelting slag |
| CN102417993A (en) * | 2011-08-08 | 2012-04-18 | 新鑫矿业股份有限公司喀拉通克铜镍矿 | Novel melting blow-in method of oxygen-rich side-blown molten pool |
| CN102560145B (en) * | 2012-02-17 | 2013-09-18 | 重庆重冶铜业有限公司 | Process for purifying miscellaneous copper |
| CN102560145A (en) * | 2012-02-17 | 2012-07-11 | 重庆重冶铜业有限公司 | Process for purifying miscellaneous copper |
| CN102851518A (en) * | 2012-08-24 | 2013-01-02 | 赤峰富邦铜业有限责任公司 | Fubang oxygen-enriched side-blown bath copper smelting furnace and operation method thereof |
| CN102994775A (en) * | 2012-11-28 | 2013-03-27 | 浙江和鼎铜业有限公司 | Production technology for smelting crude copper in oxygen enrichment double-side blow molten pool |
| CN103014369A (en) * | 2012-11-28 | 2013-04-03 | 浙江和鼎铜业有限公司 | Smelting process of both side-blown bath |
| CN102994775B (en) * | 2012-11-28 | 2015-12-23 | 浙江和鼎铜业有限公司 | The production technique of oxygen enrichment both side-blown bath raw copper smelting |
| CN103451448A (en) * | 2013-09-09 | 2013-12-18 | 梧州漓佳铜棒有限公司 | Ingredients for fire refining of scrap copper and smelting method |
| CN103451448B (en) * | 2013-09-09 | 2014-08-27 | 钟文华 | Ingredients for fire refining of scrap copper and smelting method |
| CN103667738A (en) * | 2013-12-31 | 2014-03-26 | 个旧市光穆有色金属尾矿废渣综合回收有限公司 | Oxygen-enriched side-blowing dual-area bath smelting furnace and method for smelting copper matte by using copper-containing complex material |
| CN103667738B (en) * | 2013-12-31 | 2015-08-05 | 个旧市光穆有色金属尾矿废渣综合回收有限公司 | Oxygen-enriched side-blown dual-area bath smelting furnace and cupric complex feedstock refining matte method thereof |
| CN105987614A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Environment-friendly converter suitable for thermal state copper and sulfur treatment |
| CN105986128B (en) * | 2016-07-05 | 2018-07-20 | 中国恩菲工程技术有限公司 | Hot Copper Matte Converting device |
| CN105986128A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Thermal state copper and sulfur blowing device |
| CN105986127A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Thermal state copper and sulfur blowing device |
| CN105987614B (en) * | 2016-07-05 | 2019-02-26 | 中国恩菲工程技术有限公司 | Environmentally friendly converter for hot copper matte treatment |
| CN105986127B (en) * | 2016-07-05 | 2018-07-20 | 中国恩菲工程技术有限公司 | Hot Copper Matte Converting device |
| CN106048252A (en) * | 2016-07-27 | 2016-10-26 | 中国恩菲工程技术有限公司 | Copper smelting equipment |
| CN106048253A (en) * | 2016-07-27 | 2016-10-26 | 中国恩菲工程技术有限公司 | Copper smelting equipment |
| CN106498164A (en) * | 2016-10-19 | 2017-03-15 | 湖南中大联合创新科技发展有限公司 | A kind of process for processing non-ferrous metal material using energy saving and environment friendly oxygen-enriched air smelting stove |
| CN106399699A (en) * | 2016-12-19 | 2017-02-15 | 浙江富冶集团有限公司 | Process for treating sludge with copper import |
| CN107488791A (en) * | 2017-09-18 | 2017-12-19 | 中国恩菲工程技术有限公司 | Copper smelting apparatus |
| CN108624764A (en) * | 2018-05-14 | 2018-10-09 | 山东方泰循环金业股份有限公司 | A kind of continuous oxygen-enriched air converting technique of matte |
| WO2022021879A1 (en) * | 2020-07-30 | 2022-02-03 | 中国恩菲工程技术有限公司 | Electric furnace oxygen-blowing smelting process and system |
| CN114107694A (en) * | 2020-08-26 | 2022-03-01 | 中国瑞林工程技术股份有限公司 | Integrated continuous copper smelting device and method |
| CN112853104A (en) * | 2021-01-04 | 2021-05-28 | 昆明理工大学 | Method for treating copper-lead-tin-zinc-nickel-containing multi-metal industrial solid waste by oxygen-enriched side-blown chaotic stirring molten pool smelting furnace |
| CN113046571A (en) * | 2021-03-08 | 2021-06-29 | 易门铜业有限公司 | Smelting system and method for reducing generation of magnetic iron in copper ore smelting process |
| CN113699382A (en) * | 2021-08-27 | 2021-11-26 | 上海中川国宇环境有限公司 | Treatment device and treatment process applied to slag recycling |
| CN113897468A (en) * | 2021-11-09 | 2022-01-07 | 上海西勘环境科技有限公司 | An oxygen-enriched side-blowing furnace for enhanced reduction and recovery of iron from metal waste |
| CN120174211A (en) * | 2025-05-23 | 2025-06-20 | 中国恩菲工程技术有限公司 | Method for smelting chalcocite to obtain blister copper by one-step method |
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